Weather on March 21 at Carlsbad Caverns
Carlsbad Caverns National Park
Based on 56 years of data from Carlsbad, NM
Elevation Note: Carlsbad Caverns sits at 4,400 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Carlsbad, NM at a lower elevation.
Planning Your Visit
March 21st in Carlsbad Caverns National Park (via Carlsbad, NM) typically brings pleasant spring weather, with average highs around 73°F and lows near 39°F — a 34°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (74°F average), while the coldest was 2010 (36°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 21st dates historically, with the wettest March 21st recording 2.97" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for March 21st in Carlsbad Caverns? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 100°F | 48°F | 0" | -- |
| 2025 | 75°F | 31°F | 0" | -- |
| 2024 | 74°F | 47°F | 0" | -- |
| 2023 | 79°F | 39°F | 0" | -- |
| 2022 | 64°F | 42°F | 0.25" | -- |
| 2021 | 79°F | 43°F | 0" | -- |
| 2020 | 61°F | 41°F | 0" | 0" |
| 2019 | 59°F | 41°F | 0" | 0" |
| 2018 | 67°F | 33°F | 0" | 0" |
| 2017 | 90°F | 49°F | 0" | 0" |
| 2016 | 61°F | 33°F | 0" | 0" |
| 2015 | 58°F | 45°F | 0.69" | -- |
| 2014 | 83°F | 35°F | 0" | 0" |
| 2013 | 64°F | 43°F | 0" | 0" |
| 2012 | 52°F | 36°F | 0.05" | 0" |
| 2011 | 84°F | 43°F | 0" | 0" |
| 2010 | 47°F | 25°F | 0" | 0" |
| 2009 | 79°F | 48°F | 0.28" | 0" |
| 2008 | 82°F | 35°F | 0" | 0" |
| 2007 | 86°F | 48°F | 0" | 0" |
| 2006 | 64°F | 41°F | 2.97" | 0" |
| 2005 | 73°F | 41°F | 0" | 0" |
| 2004 | 88°F | 55°F | 0" | 0" |
| 2003 | 67°F | 44°F | 0" | 0" |
| 2002 | 62°F | 36°F | 0" | 0" |
| 2001 | 77°F | 35°F | 0" | 0" |
| 2000 | 83°F | 27°F | 0.25" | 0" |
| 1999 | 80°F | 35°F | 0" | 0" |
| 1998 | 67°F | 36°F | 0" | 0" |
| 1997 | 85°F | 37°F | 0" | 0" |
| 1996 | 61°F | 33°F | 0" | 0" |
| 1995 | 88°F | 56°F | 0" | 0" |
| 1994 | 77°F | 34°F | 0" | 0" |
| 1993 | 78°F | 40°F | 0" | 0" |
| 1992 | 76°F | 39°F | 0" | 0" |
| 1991 | 66°F | 36°F | 0" | 0" |
| 1990 | 79°F | 40°F | 0" | 0" |
| 1989 | 77°F | 28°F | 0" | 0" |
| 1988 | 83°F | 35°F | 0" | 0" |
| 1987 | 78°F | 40°F | 0" | 0" |
| 1986 | 65°F | 32°F | 0" | 0" |
| 1985 | 57°F | 34°F | 0" | 0" |
| 1984 | 70°F | 38°F | 0" | 0" |
| 1983 | 52°F | 33°F | 0" | 0" |
| 1982 | 67°F | 42°F | 0" | 0" |
| 1981 | 76°F | -- | 0" | 0" |
| 1980 | 71°F | 36°F | 0" | 0" |
| 1979 | 57°F | 50°F | 0" | 0" |
| 1978 | 85°F | 46°F | 0" | 0" |
| 1977 | 77°F | 35°F | 0" | 0" |
| 1976 | 71°F | 25°F | 0" | 0" |
| 1975 | 84°F | 43°F | 0" | 0" |
| 1974 | 70°F | 30°F | -- | 0" |
| 1973 | 64°F | 43°F | 0" | 0" |
| 1972 | 83°F | 33°F | 0" | 0" |
| 1971 | 71°F | 37°F | 0" | 0" |